AirHint found the following cheapest return flights from Lisbon (LIS) to Keflavik (KEF) in February 2026 (see full year).

Return flights

28 Feb - 10 Mar	easyJet
23 Feb - 27 Feb	easyJet
01 Feb - 05 Feb	easyJet
07 Feb - 11 Feb	easyJet
19 Feb - 28 Feb	easyJet
20 Feb - 27 Feb	easyJet
02 Feb - 05 Feb	easyJet
28 Feb - 08 Mar	easyJet
25 Feb - 11 Mar	easyJet
19 Feb - 24 Feb	easyJet
05 Feb - 11 Feb	easyJet
26 Feb - 12 Mar	easyJet
05 Feb - 10 Feb	easyJet
10 Feb - 14 Feb	easyJet
15 Feb - 01 Mar	easyJet
26 Feb - 12 Mar	Icelandair	direct
15 Feb - 01 Mar	Icelandair	direct

Also check the deals for one-way flights from Lisbon to Keflavik in February.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Lisbon to Keflavik in February from $168

Return flights